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Exploited vulnerability

CVE-2025-42599

TLP:CLEAR

Qualitia Active! Mail Stack-Based Buffer Overflow Vulnerability

Qualitia Active! Mail contains a stack-based buffer overflow vulnerability that allows a remote, unauthenticated attacker to execute arbitrary or trigger a denial-of-service via a specially crafted request.

Facts

  • Vendor: Qualitia
  • Product: Active! Mail
  • CVSS: 9.8
  • EPSS (probability of exploitation within 30 days): 3.4 %
  • On CISA's Known Exploited Vulnerabilities list since: 28 April 2025
  • First known exploitation: 28 April 2025
  • CISA's deadline for US federal agencies: 19 May 2025
  • Weakness: CWE-121
  • First seen by Risk Letters: 28 April 2025

Members see which Nordic sectors the flaw hits, and what to do about it.

Get the full brief

Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD

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